Home / 5,409.16-8,110.69-1,712.32

Finding the Fourth Proportional to 5,409.16, 8,110.69 and 1,712.32

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Solution

The fourth proportional to 5,409.16, 8,110.69 and 1,712.32 is: 2,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.16 : 8,110.69 = 1,712.32 : x
  2. Step 2: Convert to fraction form
    5,409.16/8,110.69 = 1,712.32/x
  3. Step 3: Cross multiply
    5,409.16x = 8,110.69 × 1,712.32
  4. Step 4: Simplify right side
    5,409.16x = 13,888,096.70
  5. Step 5: Solve for x
    x = 13,888,096.70/5,409.16
  6. Step 6: Final answer
    x = 2,567.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.